30
23 19 29 30 26 16 28 17 18 22 25 20 24 27 21 
26 30 27 21 16 18 29 24 17 19 28 25 23 20 22 
19 17 26 21 30 28 20 18 27 16 22 25 23 29 24 
16 20 18 30 19 26 29 22 23 25 28 27 24 21 17 
24 17 23 30 22 29 26 16 21 20 27 25 18 19 28 
18 27 21 30 24 22 25 17 23 16 19 28 20 29 26 
24 22 19 17 29 30 20 16 25 28 27 18 21 23 26 
21 29 25 30 26 20 22 23 24 27 18 17 28 16 19 
21 20 27 28 18 30 17 29 26 16 22 23 24 19 25 
16 18 27 29 21 24 22 28 17 19 20 23 30 26 25 
16 29 23 22 17 24 21 25 27 20 19 26 28 18 30 
29 27 20 18 25 21 22 30 26 19 23 24 16 17 28 
30 20 21 26 29 18 16 23 17 27 24 25 28 19 22 
23 26 22 21 28 30 20 18 17 29 25 16 24 27 19 
29 23 25 18 22 24 27 19 28 17 21 30 20 16 26 
8 5 13 2 10 9 14 4 1 11 6 12 7 15 3 
10 9 3 13 11 6 8 4 2 7 5 1 15 12 14 
10 2 8 1 13 12 4 7 11 6 14 15 3 5 9 
11 5 13 14 4 12 10 7 6 15 2 8 1 9 3 
2 14 10 1 4 13 7 9 15 8 5 3 11 6 12 
12 1 2 11 3 15 5 14 13 7 9 8 6 10 4 
8 14 1 9 6 4 5 2 7 13 11 15 10 3 12 
12 8 14 4 15 11 7 13 10 5 3 6 9 1 2 
10 13 12 14 6 3 15 7 8 4 1 9 11 2 5 
3 6 11 7 10 15 9 5 8 2 14 4 1 13 12 
7 1 9 12 10 2 6 11 13 8 4 3 14 15 5 
10 12 14 3 5 4 7 8 2 6 11 1 15 13 9 
10 2 7 12 9 4 6 8 5 3 13 11 1 14 15 
11 7 10 8 3 14 15 13 1 2 12 6 4 5 9 
3 9 5 1 11 7 4 13 14 10 2 6 8 12 15 
forbidden 1 17
forbidden 1 20
forbidden 1 21
forbidden 1 22
forbidden 1 30
forbidden 2 19
forbidden 2 20
forbidden 2 21
forbidden 3 17
forbidden 3 18
forbidden 3 21
forbidden 3 23
forbidden 3 24
forbidden 3 25
forbidden 4 17
forbidden 4 19
forbidden 4 20
forbidden 4 24
forbidden 4 25
forbidden 4 26
forbidden 4 27
forbidden 5 22
forbidden 5 23
forbidden 5 25
forbidden 5 29
forbidden 6 23
forbidden 6 29
forbidden 7 20
forbidden 7 25
forbidden 7 26
forbidden 7 27
forbidden 8 20
forbidden 8 26
forbidden 9 16
forbidden 9 24
forbidden 10 17
forbidden 10 20
forbidden 10 21
forbidden 10 24
forbidden 11 22
forbidden 11 24
forbidden 11 27
forbidden 11 28
forbidden 12 16
forbidden 12 18
forbidden 12 25
forbidden 12 28
forbidden 13 18
forbidden 13 19
forbidden 13 20
forbidden 13 21
forbidden 13 24
forbidden 13 27
forbidden 14 16
forbidden 14 17
forbidden 14 18
forbidden 14 26
forbidden 15 24